feature(Result): add overload of the Map method

source/Monads/Result.cs

@@ -119,5 +119,14 @@ public Result<TSuccessToMap, TFailure> Map<TSuccessToMap>(TSuccessToMap successT
 		=> IsFailed
 			? new(Failure)
 			: new(successToMap);
+
+	/// <summary>Creates a new result with a different expected success.</summary>
+	/// <param name="createSuccessToMap">Creates the expected success to map.</param>
+	/// <typeparam name="TSuccessToMap">Type of expected success to map.</typeparam>
+	/// <returns>A new result with a different expected success.</returns>
+	public Result<TSuccessToMap, TFailure> Map<TSuccessToMap>(Func<TSuccess, TSuccessToMap> createSuccessToMap)
+		=> IsFailed
+			? new(Failure)
+			: new(createSuccessToMap(Success));
 }
 #pragma warning restore CA1062

test/unit/Monads/ResultTest.cs

@@ -323,6 +323,8 @@ public void Ensure_SuccessfulResultPlusCreateAuxiliaryPlusFalsePredicatePlusCrea
 
 	#region Map
 
+	#region Overload
+
 	[Fact]
 	[Trait(root, map)]
 	public void Map_FailedResultPlusSuccessToMap_FailedResult()
@@ -355,4 +357,42 @@ public void Map_SuccessfulResultPlusSuccessToMap_SuccessfulResult()
 	}
 
 	#endregion
+
+	#region Overload
+
+	[Fact]
+	[Trait(root, map)]
+	public void Map_FailedResultPlusCreateSuccessToMap_FailedResult()
+	{
+		//Arrange
+		const string expectedFailure = ResultFixture.Failure;
+		Func<Constellation, Start> createSuccessToMap = static _ => ResultFixture.SuccessToMap;
+
+		//Act
+		Result<Start, string> actualResult = ResultMother.Fail(expectedFailure)
+			.Map(createSuccessToMap);
+
+		//Assert
+		ResultAsserter.AreFailed(expectedFailure, actualResult);
+	}
+
+	[Fact]
+	[Trait(root, map)]
+	public void Map_SuccessfulResultPlusCreateSuccessToMap_SuccessfulResult()
+	{
+		//Arrange
+		Start expectedSuccess = ResultFixture.SuccessToMap;
+		Func<Constellation, Start> createSuccessToMap = _ => expectedSuccess;
+
+		//Act
+		Result<Start, string> actualResult = ResultMother.Succeed()
+			.Map(createSuccessToMap);
+
+		//Assert
+		ResultAsserter.AreSuccessful(expectedSuccess, actualResult);
+	}
+
+	#endregion
+
+	#endregion
 }